Dome Cathedral (Doma baznica) (Evangelical-Lutheran cathedral), Doma laukums The largest place of worship in the Baltics, measuring 187 x 43m, with walls two metres thick, its organ is one of the biggest (6,768 pipes!) in Europe. The drop from Dome Square to the cathedral's base shows how the level of the city has risen in the 700 years since its foundations were laid on the site of a Livonian fishing village. St. Jacob's (Jekaba baznica) Klostera 2, This church beside the parliament was first mentioned in the chronicles in 1225. In 1522, it became the first church in Latvia to hold a Lutheran service, but during a brief Polish occupation 60 years later it was returned to its Catholic flock, who have held it ever since. This year it's celebrating its 775th anniversary.